• Title/Summary/Keyword: Metabolism risk factor

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A Role for Ginseng in the Control of Postprandial Glycemia and Type 2 Diabetes

  • Vuksan Vladimir;Sievenpiper John L;Xu Zheng;Zdravkovic Uljana Beljan;Jenkins Alexandra L;Arnason John T;Bateman Ryon M.;Leiter Lawrence A;Josse Robert G;Francis Thomas;Stavro Mark P
    • Proceedings of the Ginseng society Conference
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    • 2002.10a
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    • pp.1-19
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    • 2002
  • The use of herbals has increased considerably while their efficacy and safety remain untested. This unsupported surge in demand has prompted a call for their clinical evaluation. One area in which evaluations are emerging is ginseng and diabetes. Growing evidence is accumulating from in vitro and animal models indicating that various ginseng species, American (Panax quinquefolius L), Asian (Panax ginseng C.A. Meyer), Korean Red, San-chi (Panax notoginseng [Burk.] P.R. Chen), and the non-panax species Siberian (Eleutherococcus senticossus) ginsing, and their fractions, saponins (ginsenosides) and peptidoglycans (panaxans for panax species and eleutehrans for Siberian ginseng), might affect carbohydrate metabolism and related signaling molecules. Recent human studies from our laboratory have also shown a blood glucose lowering effect of American ginseng (AG) and some other ginseng spices postprandially after acute administration and chronically after administration for 8-weeks in people with type 2 diabetes. Although generally encouraging, these data only indicate a need for more evaluations of ginsengs safety and efficacy. Because of poor industry standardization, it is not known whether all ginsengs will affect blood glucose. In this regards some ginseng batches have demonstrated null effects while others have even raised postprandial glycemia. Clinical research should therefore focus on components involved in its glucose lowering effects.

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Effect of Milk Protein Intake and Band Exercise on Active Fitness and Metabolism Risk Factor of Elderly Women Through Convergence (융복합을 활용한 유단백 섭취와 탄성밴드운동이 고령여성의 활동체력 및 대사성 위험인자에 미치는 영향)

  • Kim, Sang-Yeob
    • Journal of Digital Convergence
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    • v.14 no.3
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    • pp.489-497
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    • 2016
  • The purpose of this study is to examine the effect of milk protein intake and band exercise on active fitness and metabolism risk factor of elderly women for 8 weeks. The two groups were classified into one group(TG) with milk protein intake and band exercise both, and the other group(CG) that was controled. The group of TG was applied doing milk protein intake 3 times for a day, and doing band exercise 4 times for 60 minutes a week. The intensity of the exercise was RPE<17. Each measurement variable was measured before and after 8 weeks to investigate the effect. This study got the result with this step. First, TG has shown small interaction with active fitness. Second, TG has shown small interaction with metabolism risk factor. Therefore, this study gives us the positive result of the effect of milk protein intake and band exercise on active fitness and metabolism risk factor of elderly women for 8 weeks. However, it has limitation to verify effect of milk protein intake and band exercise.

Effects of Gamiolnyeo-jeon on Lipid Metabolism and Blood Glucose Level in db/db Mice (가미옥녀전(加味玉女煎)이 db/db 마우스 당뇨(糖尿)모델에서 지질대사(脂質代謝)와 항당뇨(抗糖尿) 효능(效能)에 미치는 영향(影響))

  • Sim, Boo-Yong;Kim, Dong-Hee
    • The Korea Journal of Herbology
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    • v.31 no.2
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    • pp.39-45
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    • 2016
  • Objectives : Abnormal regulation of glucose and impaired lipid metabolism that result from a defective or deficient insulin are the key etiological factor in type 2 diabetes mellitus. The our study investigated the effects of Gamioknyeo-jeon (GO) on blood glucose and lipid metabolism improved by it in db/db mice (a murine model of type 2 diabetes mellitus).Methods : The animals were divided into 3 groups: Normal groups were not-treated C57BL/6 mice; Control groups were treated orally with DW in db/db mice; GO groups were treated orally with GO (200 ㎎/㎏/day) in db/db mice. After mice were treated with GO for 5 weeks, we measured AST, ALT, creatinine, BUN, body weight, food intake, blood glucose, insulin and lipid levels (total cholesterol, HDL cholesterol, and LDL cholesterol and atherogenic index(AI) and cardiac risk factor(CRF).Results : Serum AST, ALT, creatinine, BUN levels were not changed by GO do not show any toxic effects. GO groups were decreased in body weight, food intake and blood glucose level among compared to Control groups. Also, GO groups were found to have atherogenic Index and cardiac risk factor as well as lipid metabolism improvement (total cholesterol and LDL cholesterol decrease). Finally, GO groups were increased the insulin compared to Normal and control groups.Conclusions : We suggest that GO may have the control effects of diabetes mellitus by improving blood glucose control and lipid metabolism.

Triglyceride-Rich Lipoproteins and Novel Targets for Anti-atherosclerotic Therapy

  • Reiner, Zeljko
    • Korean Circulation Journal
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    • v.48 no.12
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    • pp.1097-1119
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    • 2018
  • Although elevated serum low-density lipoprotein-cholesterol (LDL-C) is without any doubts accepted as an important risk factor for cardiovascular disease (CVD), the role of elevated triglycerides (TGs)-rich lipoproteins as an independent risk factor has until recently been quite controversial. Recent data strongly suggest that elevated TG-rich lipoproteins are an independent risk factor for CVD and that therapeutic targeting of them could possibly provide further benefit in reducing CVD morbidity, events and mortality, apart from LDL-C lowering. Today elevated TGs are treated with lifestyle interventions, and with fibrates which could be combined with omega-3 fatty acids. There are also some new drugs. Volanesorsen, is an antisense oligonucleotid that inhibits the production of the Apo C-III which is crucial in regulating TGs metabolism because it inhibits lipoprotein lipase (LPL) and hepatic lipase activity but also hepatic uptake of TGs-rich particles. Evinacumab is a monoclonal antibody against angiopoietin-like protein 3 (ANGPTL3) and it seems that it can substantially lower elevated TGs levels because ANGPTL3 also regulates TGs metabolism. Pemafibrate is a selective peroxisome proliferator-activated receptor alpha modulator which also decreases TGs, and improves other lipid parameters. It seems that it also has some other possible antiatherogenic effects. Alipogene tiparvovec is a nonreplicating adeno-associated viral vector that delivers copies of the LPL gene to muscle tissue which accelerates the clearance of TG-rich lipoproteins thus decreasing extremely high TGs levels. Pradigastat is a novel diacylglycerol acyltransferase 1 inhibitor which substantially reduces extremely high TGs levels and appears to be promising in treatment of the rare familial chylomicronemia syndrome.

Genetic Polymorphisms and Cancer Susceptibility of Breast Cancer in Korean Women

  • Kang, Dae-Hee
    • BMB Reports
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    • v.36 no.1
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    • pp.28-34
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    • 2003
  • Breast cancer is the most prevalent cancer among women in Western countries, and its prevalence is also increasing in Asia. The major risk factor for breast cancer can be traced to reproductive events that influence the lifetime levels of hormones. However, a large percentage of breast cancer cases cannot, be explained by these risk factors. The identification of susceptibility factors that predispose individuals to breast cancer (for instance, if they are exposed to particular environmental agents) could possibly give further insight into the etiology of this malignancy and provide targets for the future development of therapeutics. The most interesting candidate genes include those that mediate a range of functions. These include carcinogen metabolism, DNA repair, steroid hormone metabolism, signal transduction, and cell cycle control. We conducted a hospital-based case-control study in South Korea to evaluate the potential modifying role of the genetic polymorphisms of selected low penetrance genes that are involved in carcinogen metabolisms (i.e., CYP1A1, CYP2E1, GSTM1/T1/P1, NAT1/2, etc.), estrogen synthesis and metabolism (i.e., CYP19, CYP17, CYP1B1, COMT, ER-$\alpha$, etc.), DNA repair (i.e., XRCC1/3, ERCC2/4, ATM, AGT, etc.), and signal transduction as well as others (i.e., TGF-$\beta$, IGF-1, TNF-$\beta$, IL-1B, IL-1RN, etc.). We also took into account the potential interaction between these and the known risk factors of breast cancer. The results of selected genes will be presented in this mini-review.

The Relationship between Risk Factors for Cardiovascular Disease and Levels of Plasma Total Homocysteine, Folate and Vitamin {TEX}$B_{12}${/TEX} in Koreans

  • Lim, Hyeon-Sook;Heo, Young-Ran
    • Preventive Nutrition and Food Science
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    • v.6 no.1
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    • pp.73-78
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    • 2001
  • The elevation of total plasmahomocysteine is now an established risk factor for cardiovascular disease. Plasma folate and vitamin {TEX}$B_{12}${/TEX} influence Hcy metabolism as cofactors. In this study, we studied the relationship of major risk factors for cardovascular disease, including advanced age, male gender, obesity, hypertension, hyperglycemia, and dislipidemia and plasma homocyteine, folate and vitamin {TEX}$B_{12}${/TEX} levels in Koreans. A total of 195 adult Koreans participated. The subjects were divided into three groups according to how many major conventional risk factors of cardiovascular disease they had: no risk, low risk (1~3 risk factors) and high risk (>3 risk factors) groups. As the number of risk factors increased, the plasma homocysteine levels significantly increase, while the plasma folate levels significantly decreased. The plasma homocysteine levels re higher in males than in females. The subjects with hyperglycemia had higher plasma homocysteine levels than the subjects without the risk factor. Also the subjects with dislipidemia had higher plasma homocysteine levels than the subjects without the risk factor. The plasma folate and vitamin {TEX}$B_{12}${/TEX} levels were significantly lower in males tan females. However, there were no significant differences in plasma folate and vitamin {TEX}$B_{12}${/TEX} levels between the subjects with or without other risk factors. These results indicate that plasma homocysteine levels were positively related with risk factors for cardiovascular disease and plasma folate levels were negatively related with the risk factors for cardiovascular disease. Also, we conclude that plasmahomocysteine levels might be related to the combination of risk factors, rather than an individual risk factor.

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Some Factors Affecting Lipid Metabolism (지질대사(脂質代謝)에 관여하는 인자(因子))

  • Nam, Hyun-Keun
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.15 no.2
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    • pp.191-200
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    • 1986
  • It is now generally accepted that individuals at increased risk for cardiovascular disease may be identified by certain traits or habbits. The factors such as high blood pressure, elevated blood cholestrol, age, sex and obesity are associated with increseaed frequency of disease. The blood cholesterol level lowering will decrease cardiovascular disease risk. The regression of atherosclerosis can be achieved by lowering the level of circulating cholesterol. Those things are connected with the quantity and quality of protein, fats, carbohydrates, especially soluble and non-soluble fiber, magnesium and calcium. The lipoprotein and lipid metabolism are connected with the lipid transport. The factors on lipid absorption and blood serum lipid pattern of human are exist. The factors have a variety of materials with different chemical and physical properties. The soluble fiber diet make a low blood and liver lipids. Many kind of soluble fiber results in a lowering of blood cholesterol and triglyceride levels. The cholesterol lowering effects of dietery fiber may be a results of alterations of in intestinal handling of fats, hepatic metabolism of fatty acid or triglyceride acid metabolism of lipoprotein. It is investigated that the high density lipoprotein (HDL) is inversely related to coronary artery disease. It has been postulated that HDL may be an important factor in cholesterol efflux from the tissues, therby reducing the amount of cholesterol deposited there. Alternatively, the HDL may pick up cholestyl ester and phospholipid during normal VLDL lipolysis in the plasma. The HDL levels are relatively insensitive to diet. At present time, the cause-and -diet effect of HDL's inverse relation to CHD remains unclear.

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Bone Metabolism and Estrogenic Effect of Phytochemicals (골 대사 및 phytochemicals의 estrogen 효과)

  • Kim, Bokyung;Kim, Mihyang
    • Journal of Life Science
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    • v.28 no.7
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    • pp.874-883
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    • 2018
  • Osteoporosis is a disease that increases the risk of fracture by decreasing the mass and strength of bone. It is caused by imbalance of osteoclast bone formation and osteoclast bone resorption. Bone formation by osteoblast is activated via bone morphogenetic proteins and runt-related transcription factor 2. $Wnt/{\beta}-catenin$ signaling and bone resorption by osteoclast are initiated by the binding of receptor activator of nuclear $factor-{\kappa}B$ ligand and receptor activator of nuclear $factor-{\kappa}B$. Menopausal women are at risk for many diseases due to hormonal imbalances, and osteoporosis is the most common metabolic disorder in 30% of postmenopausal women. When estrogen is deficient, bone resorption of osteoclasts is promoted, and the risk of osteoporosis especially increases in postmenopausal women. Hormone replacement therapy has been widely used to relieve or treat the symptoms of menopausal syndrome. However, long-term administration of hormone therapy has been associated with a high risk of side effects, such as breast cancer, ovarian cancer, and uterine cancer. Recently, phytochemicals have been actively studied as a phytoestrogen, which has an estrogen-like activity to cope with symptoms of menopausal syndrome. Therefore, in this review, we investigated the differentiation mechanism of osteoblast and osteoclast and the role of estrogen and phytoestrogen in bone metabolism in relation to previous studies.